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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

I can't pass smog... Help!!

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Old May 8, 2004 | 05:45 PM
  #16  
f250farmtruck's Avatar
f250farmtruck
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Joined: Mar 2004
Posts: 9
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From: hillcountry
you can litely fog the plug wires in the dark with wd40 while it's running

electrical leaks are pretty obvious

if you dropped a plug
start there

it's prolly cracked

[fwiw]
 
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Old May 9, 2004 | 01:24 AM
  #17  
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Leo_T
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Joined: Feb 2003
Posts: 341
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From: eastern Ma
emission problems

My last van was an 85.I tuned it once a year, and passed without trouble until one year I put in that brand of wires. I flunked too. I brought it to Ford, and they put on original wires. The van passed the emission test after that with no problem.

Just relating something I learned the hard way. I'm not sure but I think autolite is a division of allied signal, and Ford's brand is motorcraft.
It was a long time ago but I remember thinking autolite was Ford's brand myself.
 
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Old May 9, 2004 | 08:56 PM
  #18  
t0ny78's Avatar
t0ny78
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Joined: Jul 2003
Posts: 67
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I would have to guess it is running to cool to. make sur you got the original temp thermostat which is 210 alot of people like to put cooler ones in.
 
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